XML 39 R24.htm IDEA: XBRL DOCUMENT v3.19.1
Significant Accounting Policies (Narrative) (Details)
$ in Millions
3 Months Ended
Mar. 31, 2019
USD ($)
Accounting Standards Update 2016-02  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
New accounting pronouncement, effect of adoption, quantification $ 3.7